Air Pollution Monitoring using NodeMCU and MQ135 Gas Sensor
There are different types of gas sensors to detect different gases. Here in this project we are going to use MQ135 gas sensor to…
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IoT Based Biometric Door Lock using Fingerprint Sensor and NodeMCU ESP8266
Fingerprint scanner sensors are used at many places like Industries, Offices, Schools, Colleges and Hotels. By embedding IoT with the Fingerprint…
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DIY Smart Blind Stick using Arduino and Ultrasonic Sensor
In this project, we will be using an ultrasonic sensor, buzzer, vibration motor to build an Arduino based smart blind stick,…
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HC-05 Bluetooth Module: Interfacing with Arduino Uno
Bluetooth is a communication protocol which provides an affordable communication in PAN (Personal Are Network). It provides a maximum data…
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RFID Based Attendance System using Arduino Uno
Attendance is one of the most important activities during a lecture. Almost 5 to 10 minutes are spent while marking…
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Arduino Calculator using 4×4 Keypad
Performing simple mathematical operations was the basis on which one of the first computing machines designed by Charles Babbage who…
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Interfacing 433 MHz RF Transmitter and Receiver Module with Arduino Uno
Believe it or not, we all are living in a wireless world now. Everything from your mouse to headphones, from…
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Getting Started with DS3231 RTC Module – Interface DS3231 Module with Arduino Uno
DS3231 is a low-cost Real-Time Clock IC. It is highly accurate and can precisely store “Hours, Minutes and Seconds along with…
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Distance Measuring with LED Notifier using HC-SR04 Ultrasonic Sensor and Arduino
In this tutorial, we are going to learn how to use ultrasonic sensor HC-SR04 interfacing with Arduino and measure the…
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Security Alarm using HC-SR501 PIR Sensor and Arduino
In this Arduino tutorial, we are going to learn how to use a motion sensor to sound a piezoelectric buzzer. The…
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